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2002 Chrysler 300 heater displays code 23

Tiny
TOM NEHLSEN
  • MEMBER
  • 2002 CHRYSLER 300
Heater problem
2002 Chrysler 300 6 cyl 125000 miles

replaced heater core automatic system code 23 no feedback response what could it be
Friday, March 20th, 2009 AT 2:31 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
HVAC SYSTEM CALIBRATION This procedure may be performed on both the ATC and MTC system. 1. Start engine and let run. 2. If the vehicle has an ATC system, turn the control head on. 3. Set the temperature controls to the full cold position for 2 minutes. 4. Set the temperature controls to the full heat position for 5 minutes. Page 1 of 1 AUTOMATIC A/C-HEATER SYSTEMS -2002 Chrysler 300M Special 3/20/2009
Try this code 23 is blend door actuator feedback problem, but recalibrate the system and retest.
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Friday, March 20th, 2009 AT 2:39 PM

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